Chemically treated solid polymer

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521030000

Chemically treated solid polymer

61

20120264835

METHOD FOR PRODUCING A SULFONATED POLYARYLETHER BLOCK COPOLYMER - A method of producing a sulfonated polyarylether block copolymer is provided. The method includes producing a sulfonated polyarylether block copolymer containing a hydrophobic segment having a structural unit represented by formula (5) and a hydrophilic segment having a structural unit having a sulfonic acid groups or derivative thereof incorporated into a structure represented by formula (6). A hydrophilic segment prepolymer having a sulfonic acid group in a potassium salt form and a hydrophobic segment prepolymer are block copolymerized. A proton conductor that includes the sulfonated polyarylether block copolymer is also provided.

Polymers for Use in Fuel Cell Components - A proton conducting hydrocarbon-based polymer has acid groups on side chains attached to the main chain, where the acid groups are between 7 and 12 atoms away from the main chain. Another polymer includes a semi-fluorinated aromatic hydrocarbon main chain and side chains that include at least one —CF2— group and an acid group. Another polymer includes an aromatic hydrocarbon main chain and side chains that include at least one —CH2-CF2— group and an acid group. Another aromatic polymer includes acid groups attached to both the main chain and the side chains where less than about 65 weight percent of the acid groups are attached to the side chains. Another aromatic polymer includes side chains attached to the main chain that include at least one aryl ring, and acid groups attached to both the main chain and to the aryl groups. Another polymer includes an aliphatic hydrocarbon main chain, side chains that include at least one deactivating aryl ring, and acid groups attached to the deactivating aryl rings. Another aliphatic polymer has side chains that include —CF2— groups and an acid group. A fuel cell component includes a proton conducting polymer, a water insoluble inorganic material, and a heteropolyacid immobilized on the inorganic material.

09-16-2010

20140066529

Nanoporous Silica Polyamine Composites with Surface-bound Zirconium (IV) and Methods of Use - Silica polyamine composites (SPC) made from silanized amorphous nano-porous silica gel and poly(allylamine) (BP-1) were functionalized with phosphorus acid using the Mannich reaction, resulting in a phosphonic acid modified composite (BPAP). Zirconium (IV) was immobilized on BPAP. Arsenate anions strongly adsorbed on the ZrBPAP composite in the pH range 2 to 8, while arsenite only adsorbed well at pH 10. Regeneration of the resin was carried out successfully for As(V) and As(III) using 2M-H

03-06-2014

20110224315

MODIFIED ION EXCHANGE RESIN AND PROCESS FOR PRODUCING BISPHENOLS - There is provided a modified ion exchange resin catalyst which exhibits higher bisphenols selectivity than the conventional modified ion exchange resins in processes wherein bisphenols are produced by reacting a phenolic compound with ketones, and to provide such a process for producing bisphenols. A modified ion exchange resin is characterized in that at least one compound selected from (A) and (B) shown below is ionically bonded to an acidic functional group of an acidic ion exchange resin:

AMINATION OF VINYL AROMATIC POLYMERS WITH TERTIARY AMINES - The invention generally relates to amination reactions and amination reaction products, and particularly to methods for aminating vinyl aromatic polymers utilizing tertiary amines. In one embodiment, the invention includes conducting an amination reaction by combining a tertiary amine and a vinyl aromatic polymer comprising benzyl chloride groups to form a reaction mixture and maintaining the pH of the reaction mixture within a designated range. In another embodiment, the invention includes an aminated vinyl aromatic polymer. In yet another embodiment, the invention includes an ion exchange resin including quaternary ammonium functionality. The invention is useful in preparing ion exchange resins suitable for a variety of applications such as the removal of perchlorate ions from water sources and recovery of gold cyanide from mining leach solutions.

PROCESS FOR COAGULATING SULFONATED BLOCK COPOLYMERS - Sulfonated block copolymers (SBCs) are coagulated from SBC solutions in one or more organic solvents, including reaction mixtures obtained in the sulfonation process, by a process in which the SBC solution is ejected into or onto water provided that no steam is added to the SBC solution prior to ejection and provided that the ejection velocity as well as the water temperature and convection are controlled and balanced. The coagulation process is easy to implement and avoids or at least diminishes problems due to foaming and the formation of micro dispersions of the SBC which cannot be separated successfully or easily by conventional filtration or centrifuging.

IONOMERS WITH IONIC GROUPS IN THE SIDE CHAIN - Ionomers and ionomer membranes with the ionic group on a flexible side chain have a positive impact on the proton conductivity of the ionomers. Various processes produce these polymeric proton conductors.

POLYMERIC MEDIUM - A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The carbonyl-containing moiety may include RCO—, where R is alkoxy or haloalkyl. The PBI compound may exhibit a first temperature marking an onset of weight loss corresponding to reversion of the substituted PBI that is less than a second temperature marking an onset of decomposition of an otherwise identical PBI compound without the substituted moiety. The PBI compound may be included in separatory media. A substituted PBI synthesis method may include providing a parent PBI in a less than 5 wt % solvent solution. Substituting may use more than 5 equivalents in relation to the imidazole nitrogens to be substituted.

POLYMER ELECTROLYTE MATERIALS BASED ON BLOCK COPOLYMERS - The present invention relates generally to electrolyte materials. According to an embodiment, the present invention provides for a solid polymer electrolyte material that has high ionic conductivity and is mechanically robust. An exemplary material can be characterized by a copolymer that includes at least one structural block, such as a vinyl polymer, and at least one ionically conductive block with a siloxane backbone. In various embodiments, the electrolyte can be a diblock copolymer or a triblock copolymer. Many uses are contemplated for the solid polymer electrolyte materials. For example, the novel electrolyte material can be used in Li-based batteries to enable higher energy density, better thermal and environmental stability, lower rates of self-discharge, enhanced safety, lower manufacturing costs, and novel form factors.

02-02-2012

20130338245

ISOLATION OF NUCLEIC ACIDS - A method for extracting nucleic acids from a biological material such as blood comprises contacting the mixture with a material at a pH such that the material is positively charged and will bind negatively charged nucleic acids and then eluting the nucleic acids at a pH when the said materials possess a neutral or negative charge to release the nucleic acids. The nucleic acids can be removed under mildly alkaline conditions to the maintain integrity of the nucleic acids and to allow retrieval of the nucleic acids in reagents that are immediately compatible with either storage or analytical testing.

12-19-2013

20140309318

METHOD FOR PREPARING PROTON-CONDUCTING PARTICLES CAPABLE OF CATALYZING THE REDUCTION OF OXYGEN OR THE OXIDATION OF HYDROGEN BY GRAFTING PROTON-CONDUCTING POLYMERS TO THE SURFACE OF THE PARTICLES - The invention relates to a method for preparing particles comprising a material capable of catalyzing the reduction of oxygen or the oxidation of hydrogen, said particles being functionalized by polymers comprising at least one repeating unit bearing at least one proton-conducting group, and said particles being covalently bonded to a carbon material, said method comprising: a step a) of contacting particles, comprising a material capable of catalyzing the reduction of oxygen or the oxidation of hydrogen, with a polymer comprising at least one repeating unit bearing at least one proton-conducting group and comprising at least one portion corresponding to an organic radical of a compound that is an initiator for ATRP polymerization, said radical comprising at least one group capable of being grafted onto the surface of said particles, whereby particles, onto which polymers comprising at least one repeating unit bearing at least one proton-conducting group are grafted, are obtained.

10-16-2014

20130225701

GRAFTING METHOD TO IMPROVE CHROMATOGRAPHY MEDIA PERFORMANCE - The invention relates to improved methods of grafting polymer extenders onto porous substrates having diffusive pores, such as those used in protein separations, without filing the diffusive pores of the substrate, and restricting diffusion there through. By changing the grafting conditions and/or monomer composition(s) the resulting porous substrates having polymer extenders grafted thereto have increased protein binding capacity and resin selectivity, thereby enhancing the protein separation effectiveness of the substrate. The grafted polymer extenders provide the substrate with significant binding capacity at higher conductivity. The invention also relates to kits, and methods of using and grafting polymer extenders on porous resin substrates having diffusive pores.

AMINE-OXIDE-GROUP-CONTAINING CONJUGATED POLYMER PHOTOELECTRIC MATERIAL AND USE THEREOF - Disclosed are an amine-oxide-group-containing conjugated polymer photoelectric material and application thereof. The amine-oxide-group-containing conjugated polymer photoelectric material consists of conjugated main chains and a side chain containing an amine oxide unit, and is applied in an organic photoelectric device. The material has desirable alcohol/water solubility and photoelectric properties, is suitable for making a multi-layer solution for machining a device, and meanwhile can prevent an adverse effect incurred by freely moving counter ions in a common polyelectrolyte to the device. The material may be used as a cathode interface modification layer applied in organic photoelectric devices such as light-emitting and photovoltaic devices, so as to improve performance of the devices.

Method For Determining The Performance Of A Superabsorbent Polymer Material - Method for determining the performance of a superabsorbent polymer material by using a virtual model of the superabsorbent polymer material comprising the steps of inputting values of one or more first molecular parameter(s) into the virtual model and calculating the value(s) of one or more first performance output parameter(s) and inputting values of one or more second molecular parameter(s) into the virtual model and calculating the value(s) of one or more second performance output parameter(s) and determining the variation between the value(s) of the one or more first performance output parameter(s) and the value(s) of the one or more second performance output parameter(s).

05-03-2012

20160101416

Method for Producing a Sorbent for Selective Recovery of Scandium Ions - A method of production of sorbents involving acylation of a macroporous styrene-divinylbenzene copolymer in the presence of the Friedel-Crafts catalyst—aluminum chloride. The acylation reaction is carried out using acetyl chloride in a dichloroethane solvent at boiling the solution. This is followed by phosphorylation of the obtained acylated copolymer with phosphorus trichloride at room temperature; the product is hydrolyzed with water, washed and dried. The technical result consists in production of a complexing adsorbent highly selective for scandium and simplification of the production process.

Monodisperse weakly acidic cation exchangers - The present invention relates to a process for producing novel monodisperse cation exchangers of the poly(meth)acrylic acid type, the ion exchangers themselves, and also use thereof and to the use of intermediate products as supports for enzymes and the systems resulting therefrom as enzyme catalysts for the preparation of fuels and in transesterification reactions and esterification reactions.

09-25-2008

521032000

Treated with nitrogen-containing material

18

20160121321

AMINO-CONTAINING POLYMERIC MATERIAL WITH RIGID AND CONTORTED DIVINYL CROSSLINKER - Amino-containing polymeric materials and methods of making these materials are provided. More specifically, the amino-containing polymeric materials are prepared by treating a precursor polymeric material with an amine compound. The precursor polymeric materials are formed from a polymerizable composition that contains a rigid and contorted divinyl crosslinker. The amino-containing polymeric materials can be used as anion exchange resins.

PHOSPHORUS-ADSORBING MATERIAL AND PHOSPHORUS RECOVERY SYSTEM - A phosphorus-adsorbing material is produced to include a polymer-based material modified with at least either of a primary and a secondary amine and a metal supported on the polymer-based material, and a phosphorus recovery system is structured by using the phosphorus-adsorbing material.

02-09-2012

20140357742

PROTEIN ADSORBENT - A method for producing a protein adsorbent comprising a substrate and a molecular chain fixed on the surface of the substrate is disclosed. The method comprises, in this order: a dry-heat treatment step of heating a pretreatment adsorbent comprising the substrate and the molecular chain fixed on the surface of the substrate, in which the molecular chain contains a weak electrolytic ion-exchange group; and a wet-heat treatment step of heating the pretreatment adsorbent in a moistened state with a liquid or steam to obtain the protein adsorbent.

12-04-2014

20130085190

AMINATED ION EXCHANGE RESINS AND PRODUCTION METHODS THEREOF - This invention relates to certain novel anion exchange resins and methods of making them. It relates more particularly to aminated cross-linked resin bead polymers containing an inert and/or chloromethylated core, and an aminated outer shell, and to methods for preparing the same. These resins exhibit improved anion exchange properties.

04-04-2013

20130281555

PROTON EXCHANGE MATERIAL AND METHOD THEREFOR - A proton exchange material includes perfluorinated carbon backbone chains and side chains extending off of the perfluorinated carbon backbone chains. The perfluorinated side chains include cross-link chains that have multiple sulfonimide groups, —SO

THIOL GROUP-CONTAINING ACRYLATE RESIN - The present invention relates to a process for producing novel ion exchange resins which are based on crosslinked bead polymers composed of acrylic compounds having thiol groups as functional group and have a high uptake capacity for heavy metals, and also their use for removing heavy metals from liquids, preferably process water in or from the electronics industry, the electroplating industry and the mining industry.

10-23-2014

20140194543

CHROMATOGRAPHIC MEDIA - This invention concerns the preparation and use of novel polymeric chromatographic media and preferably mixed mode polymeric chromatographic media. In accordance with the present invention, polymeric media is prepared using polymeric particles derivatized with polyethyleneimine, and preferably such polyethyleneimine derivatized polymeric particles further functionalized with appropriate reactants. The polymeric chromatographic media is especially useful for bioseparations.

METHOD FOR PURIFICATION OF ANTIBODY USING POROUS MEMBRANE HAVING AMINO GROUP AND ALKYL GROUP BOTH BOUND TO GRAFT CHAIN IMMOBILIZED ON POROUS SUBSTRATE - A method is disclosed for purifying an antibody monomer, comprising providing a porous membrane comprising a hydrophobic porous substrate, a hydrophilic molecular chain of a different material from that of the porous substrate, immobilized on the surface of pores of the porous substrate, and a side chain of the molecular chain, containing a nitrogen atom to which one to three alkyl groups each having two or three carbon atoms are bonded; passing an antibody solution containing antibody aggregates of dimers or higher-order multimers through the porous membrane to adsorb the antibody aggregates to the porous membrane; and recovering the purified antibody monomer in the passed solution.

05-17-2012

20120196944

ISOLATION OF NUCLEIC ACIDS - A method for extracting nucleic acids from a biological material such as blood comprises contacting the mixture with a material at a pH such that the material is positively charged and will bind negatively charged nucleic acids and then eluting the nucleic acids at a pH when the said materials possess a neutral or negative charge to release the nucleic acids. The nucleic acids can be removed under mildly alkaline conditions to the maintain integrity of the nucleic acids and to allow retrieval of the nucleic acids in reagents that are immediately compatible with either storage or analytical testing.

08-02-2012

20110136925

GRAFT COPOLYMERS FOR ION EXCHANGE CHROMATOGRAPHY - The invention relates to a modified separating material having improved properties, to the preparation thereof, and to the use thereof for the separation of charged biopolymers from liquids.

06-09-2011

20090118382

Ion Exchange Material, Ion Exchange Column, and Production Method - The invention relates to ion-exchange materials comprising a hydrophobic support resin having grafted side chains, wherein the side chains have a surfactant-type structure and comprise ion-exchange groups, and the ion-exchange material is obtainable by radical grafting of the side chains using a radical initiator containing at least one peroxide group. By means of the surfactant-type structure and the specific radical initiator, a regiospecific and particularly uniform arrangement of the side chains on the support resin is achieved which in addition enables outstanding and uniform hydration of the ion-exchange groups. This is expressed, in particular, in improved signal asymmetries for bromide and nitrate.

SULFONYL-CONTAINING POLYMERIC MATERIAL WITH RIGID AND CONTORTED DIVINYL CROSSLINKER - Sulfonyl-containing polymeric materials are prepared by treating a precursor polymeric material with a sulfonyl-containing compound. The precursor polymeric materials are formed from a polymerizable composition that contains a crosslinker that is a free-radically polymerizable spirobisindane monomer. The sulfonyl-containing polymeric material can be used as an ion exchange resin.

03-24-2016

20110086929

METHOD OF IODIDE REMOVAL - The present invention provides a method of reducing the concentration of an iodide compound using an ion exchange resin. The ion exchange resin is a macroporous resin having sulfur functional groups exchanged with silver, a dry weight capacity of at least 5.0 eq/kg, a mean pore diameter (D

04-14-2011

20160089667

SULFONYL-CONTAINING POLYMERS BASED ON FREE-RADICALLY POLYMERIZABLE SPIROBISINDANE MONOMERS - Sulfonyl-containing polymeric materials and methods of making these materials are provided. More specifically, the sulfonyl-containing polymeric materials are prepared by treating a precursor polymeric material with a sulfonyl-containing compound. The precursor polymeric material is formed from a polymerizable composition that contains a free-radically polymerizable spirobisindane monomer. The sulfonyl-containing polymeric material is porous. The size of the pores can be in the microporous region, mesoporous region, or both depending on the particular monomers and reaction conditions used to form the precursor polymeric material.

03-31-2016

20100273901

MOLECULE SULFONATION PROCESS - The present invention pertains to products and processes relating to sulfonating molecules, including nucleic acids, amino acids, peptides, polypeptides, oligomers, polymers, and copolymers. The disclosed process allows for a uniform and controlled level of sulfonating molecules. The sulfonated molecules produced by the disclosed process exhibit a high degree of uniform sulfonation as well as improved properties.

PROCESS FOR PRODUCING CATION EXCHANGERS - Strongly acidic cation exchangers with high mechanical, osmotic and oxidation stability can be prepared by sulfonating bead polymers formed from one or more vinylaromatic monomer(s), one or more crosslinker(s) and from 0.2 to 20% by weight of one or more vinyl ethers and/or vinyl esters.

02-02-2012

20150141537

SYNTHESIS OF SEQUESTRATION RESINS FOR WATER TREATMENT IN LIGHT WATER REACTORS - A sequestration resin for nuclear reactor coolant cleanup and for aqueous liquid radioactive waste cleanup that can irreversibly remove cobalt ion during reactor operation or during radioactive waste processing so as to deplete the coolant or liquid of a significant fraction of dose-causing radiocobalt is disclosed. The sequestration resin is configured to remove cobalt derived radioactivity in aqueous solutions and includes a sulfonic acid based polymer resin covalently coupled to an amine based ligand by a sulfonamide linkage. Alternatively, the sequestration resin includes a sulfonic acid based polymer resin ionically coupled to an amine based ligand that is altered at one terminus to contain a positively charged quaternary ammonium group.

05-21-2015

20120238649

PROCESS FOR PRODUCING CATION EXCHANGERS - Strongly acidic cation exchangers with high mechanical, osmotic and oxidation stability can be prepared by sulfonating bead polymers formed from one or more vinylaromatic monomer(s), one or more crosslinker(s) and from 0.2 to 20% by weight of one or more vinyl ethers and/or vinyl esters.

Catalysts for Olefin Hydration and Method of Preparation - The present invention is directed to a polystyrene cation exchange resin catalyst for olefin hydration comprises: monomer units of (a) 7.5 to 11.5 wt % at least one polyvinylaromatic monomer and (b) 88.5 to 92.5 wt % at least one monovinylaromatic monomer; (c) 0.75 to 1.20 SO

06-09-2011

20090124714

POROUS RESIN PARTICLE HAVING HYDROXY GROUP OR PRIMARY AMINO GROUP AND PRODUCTION METHOD THEREOF - The present invention relates to a method for producing a porous resin particle having a functional group X, the method including: dissolving a radical polymerizable aromatic monovinyl monomer and a radical polymerizable aromatic divinyl monomer together with a polymerization initiator in an organic solvent to prepare a monomer solution, dispersing the monomer solution in water in the presence of a dispersion stabilizer to obtain a suspension polymerization reaction mixture, and performing a suspension copolymerization while adding, when 0 to 80% of the entire polymerization time of the suspension copolymerization is passed, a mercapto compound represented by the formula (I):